Subject: Re: [PATCH] powerpc: warn users of smt-snooze-delay that the API isn't there anymore

From: Benjamin Herrenschmidt <[email-masked]>
Date: Wed, 26 Feb 2014 09:40:02 +1100

On Tue, 2014-02-25 at 13:29 +0530, Deepthi Dharwar wrote:
> We currently do not use smt-snooze-delay in the kernel.
> The sysfs entries needs to  be retained until we do a clean up
> ppc64_cpu
> util that uses these entries to determine SMT,
> clean up patch for this has already been posted out by Prerna.
> Once, we have the ppc64_cpu changes in, we can look to clean up these
> parts from the kernel.

We generally shouldn't change user visible interfaces.

People still have old versions of ppc64_cpu, we must not break them

Cheers,
Ben.